﻿// -----------------------------------------------------------------------
// <copyright file="HyperlinkBehavior.cs" company="SugarDesk WPF MVVM Studio">
// Copyright (c) SugarDesk WPF MVVM Studio. All rights reserved. 
// </copyright>
// -----------------------------------------------------------------------

namespace SugarDesk.Core.Infrastructure.Behaviors
{
    using System.Diagnostics;
    using System.Windows;
    using System.Windows.Documents;

    public static class HyperlinkBehavior
    {
        public static bool GetIsExternal(DependencyObject obj)
        {
            return (bool) obj.GetValue(IsExternalProperty);
        }

        public static void SetIsExternal(DependencyObject obj, bool value)
        {
            obj.SetValue(IsExternalProperty, value);
        }

        public static readonly DependencyProperty IsExternalProperty =
            DependencyProperty.RegisterAttached("IsExternal", typeof(bool), typeof(HyperlinkBehavior), new UIPropertyMetadata(false, OnIsExternalChanged));

        private static void OnIsExternalChanged(object sender, DependencyPropertyChangedEventArgs args)
        {
            var hyperlink = sender as Hyperlink;

            if ((bool) args.NewValue)
            {
                hyperlink.RequestNavigate += Hyperlink_RequestNavigate;
            }
            else
            {
                hyperlink.RequestNavigate -= Hyperlink_RequestNavigate;
            }
        }

        private static void Hyperlink_RequestNavigate(object sender, System.Windows.Navigation.RequestNavigateEventArgs e)
        {
            Process.Start(new ProcessStartInfo(e.Uri.AbsoluteUri));
            e.Handled = true;
        }
    }
}
